Note 3 - Balance Sheet Details - Summary of Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Thousands |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Prepaid Expense and Other Assets [Abstract] | ||
| Prepaid insurance | $ 687 | $ 355 |
| Other current receivables | 3 | 264 |
| Prepaid subscriptions and fees | 337 | 145 |
| Prepaid software licenses | 59 | 60 |
| Deferred equity issuance costs | 70 | 0 |
| Prepaid research and development expenses | 426 | 7 |
| Prepaid other | 6 | 5 |
| Prepaid expenses and other current assets | $ 1,588 | $ 836 |
| X | ||||||||||
- Definition Prepaid expenses and other current assets, other receivables. No definition available.
|
| X | ||||||||||
- Definition Prepaid research and development. No definition available.
|
| X | ||||||||||
- Definition Prepaid software licenses. No definition available.
|
| X | ||||||||||
- Definition Prepaid subscriptions and fees. No definition available.
|
| X | ||||||||||
- Definition Amount, after accumulated amortization, of debt issuance costs classified as current. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of asset related to consideration paid in advance for other costs that provide economic benefits within a future period of one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of asset related to consideration paid in advance for insurance that provides economic benefits within a future period of one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|